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  2. Thorns, spines, and prickles - Wikipedia

    en.wikipedia.org/wiki/Thorns,_spines,_and_prickles

    Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.

  3. Onopordum acanthium - Wikipedia

    en.wikipedia.org/wiki/Onopordum_acanthium

    Onopordum acanthium (cotton thistle, Scotch (or Scottish) thistle) is a flowering plant in the family Asteraceae. It is native to Europe and Western Asia from the Iberian Peninsula east to Kazakhstan, and north to central Scandinavia, and widely naturalised elsewhere, [1][2][3] with especially large populations present in the United States and ...

  4. Cotton - Wikipedia

    en.wikipedia.org/wiki/Cotton

    Cotton. Cotton (Arabic: قطن) is a soft, fluffy staple fiber that grows in a boll, or protective case, around the seeds of the cotton plants of the genus Gossypium in the mallow family Malvaceae. The fiber is almost pure cellulose, and can contain minor percentages of waxes, fats, pectins, and water. Under natural conditions, the cotton bolls ...

  5. Ceiba pentandra - Wikipedia

    en.wikipedia.org/wiki/Ceiba_pentandra

    Ceiba pentandra is a tropical tree of the order Malvales and the family Malvaceae (previously emplaced in the family Bombacaceae), native to Mexico, Central America and the Caribbean, northern South America, and (as the variety C. pentandra var guineensis) West Africa. A somewhat smaller variety has been introduced to South and Southeast Asia ...

  6. Bombax ceiba - Wikipedia

    en.wikipedia.org/wiki/Bombax_ceiba

    Bombax ceiba is literally known as "cotton-tree flowers" in Cantonese. It plays a vital role in Southern Chinese, especially Guangzhou Cantonese culture. It is the official flower of Guangzhou, the capital of Guangdong Province in southern China. Flowering season takes places from late February to early May. Fruiting can start as early as March.

  7. Pyracantha - Wikipedia

    en.wikipedia.org/wiki/Pyracantha

    Pyracantha (from Greek pyr "fire" and akanthos "thorn", hence firethorn) [1] is a genus of large, thorny evergreen shrubs in the family Rosaceae, with common names firethorn or pyracantha. They are native to an area extending from Southwest Europe east to Southeast Asia. They resemble and are related to Cotoneaster, but have serrated leaf ...

  8. Gossypium - Wikipedia

    en.wikipedia.org/wiki/Gossypium

    Gossypium (/ ɡɒˈsɪpiəm /) [2] is a genus of flowering plants in the tribe Gossypieae of the mallow family, Malvaceae, from which cotton is harvested. It is native to tropical and subtropical regions of the Old and New Worlds. There are about 50 Gossypium species, [3] making it the largest genus in the tribe Gossypieae, and new species ...

  9. Gossypium hirsutum - Wikipedia

    en.wikipedia.org/wiki/Gossypium_hirsutum

    Gossypium hirsutum. Gossypium hirsutum, also known as upland cotton or Mexican cotton, is the most widely planted species of cotton in the world. Globally, about 90% of all cotton production is of cultivars derived from this species. [2] In the United States, the world's largest exporter of cotton, it constitutes approximately 95% of all cotton ...